vtkImageOcclusionSpectrum speed up first round implementation done.
vtkImageOcclusionSpectrum speed up first round implementation done.

SimVascular/VTK,arnaudgelas/VTK,biddisco/VTK,spthaolt/VTK,keithroe/vtkoptix,biddisco/VTK,cjh1/VTK,sumedhasingla/VTK,berendkleinhaneveld/VTK,gram526/VTK,SimVascular/VTK,gram526/VTK,collects/VTK,berendkleinhaneveld/VTK,jmerkow/VTK,jeffbaumes/jeffbaumes-vtk,hendradarwin/VTK,spthaolt/VTK,sankhesh/VTK,SimVascular/VTK,sankhesh/VTK,johnkit/vtk-dev,SimVascular/VTK,demarle/VTK,aashish24/VTK-old,daviddoria/PointGraphsPhase1,collects/VTK,jeffbaumes/jeffbaumes-vtk,demarle/VTK,biddisco/VTK,gram526/VTK,demarle/VTK,sankhesh/VTK,gram526/VTK,keithroe/vtkoptix,johnkit/vtk-dev,keithroe/vtkoptix,sankhesh/VTK,naucoin/VTKSlicerWidgets,spthaolt/VTK,demarle/VTK,gram526/VTK,arnaudgelas/VTK,demarle/VTK,hendradarwin/VTK,naucoin/VTKSlicerWidgets,collects/VTK,jeffbaumes/jeffbaumes-vtk,demarle/VTK,johnkit/vtk-dev,collects/VTK,sankhesh/VTK,SimVascular/VTK,mspark93/VTK,mspark93/VTK,sankhesh/VTK,johnkit/vtk-dev,msmolens/VTK,spthaolt/VTK,candy7393/VTK,mspark93/VTK,mspark93/VTK,biddisco/VTK,ashray/VTK-EVM,jmerkow/VTK,msmolens/VTK,sumedhasingla/VTK,SimVascular/VTK,sumedhasingla/VTK,SimVascular/VTK,aashish24/VTK-old,jmerkow/VTK,arnaudgelas/VTK,gram526/VTK,daviddoria/PointGraphsPhase1,johnkit/vtk-dev,daviddoria/PointGraphsPhase1,collects/VTK,msmolens/VTK,keithroe/vtkoptix,daviddoria/PointGraphsPhase1,ashray/VTK-EVM,mspark93/VTK,arnaudgelas/VTK,mspark93/VTK,demarle/VTK,msmolens/VTK,berendkleinhaneveld/VTK,biddisco/VTK,jeffbaumes/jeffbaumes-vtk,spthaolt/VTK,jmerkow/VTK,keithroe/vtkoptix,hendradarwin/VTK,jeffbaumes/jeffbaumes-vtk,ashray/VTK-EVM,spthaolt/VTK,mspark93/VTK,cjh1/VTK,cjh1/VTK,berendkleinhaneveld/VTK,keithroe/vtkoptix,aashish24/VTK-old,sumedhasingla/VTK,sumedhasingla/VTK,cjh1/VTK,johnkit/vtk-dev,ashray/VTK-EVM,biddisco/VTK,msmolens/VTK,jmerkow/VTK,collects/VTK,berendkleinhaneveld/VTK,sumedhasingla/VTK,msmolens/VTK,johnkit/vtk-dev,cjh1/VTK,aashish24/VTK-old,daviddoria/PointGraphsPhase1,SimVascular/VTK,sankhesh/VTK,ashray/VTK-EVM,cjh1/VTK,candy7393/VTK,candy7393/VTK,hendradarwin/VTK,naucoin/VTKSlicerWidgets,candy7393/VTK,daviddoria/PointGraphsPhase1,gram526/VTK,arnaudgelas/VTK,berendkleinhaneveld/VTK,naucoin/VTKSlicerWidgets,hendradarwin/VTK,berendkleinhaneveld/VTK,ashray/VTK-EVM,naucoin/VTKSlicerWidgets,sumedhasingla/VTK,spthaolt/VTK,gram526/VTK,candy7393/VTK,candy7393/VTK,keithroe/vtkoptix,keithroe/vtkoptix,demarle/VTK,arnaudgelas/VTK,jmerkow/VTK,aashish24/VTK-old,candy7393/VTK,sankhesh/VTK,sumedhasingla/VTK,msmolens/VTK,jmerkow/VTK,ashray/VTK-EVM,mspark93/VTK,biddisco/VTK,msmolens/VTK,jeffbaumes/jeffbaumes-vtk,naucoin/VTKSlicerWidgets,hendradarwin/VTK,candy7393/VTK,jmerkow/VTK,ashray/VTK-EVM,aashish24/VTK-old,hendradarwin/VTK